Unibest 优贝德
← Back to patent-cliff list

CAS 156413-61-5

(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-2-[(tert-butyldimethylsilyl)oxy]-3-phenyl-3-(phenylformamido)propanoyl]oxy}-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate

Codes:(VI)101438-6-a

Application context (from source-drug indications)

乳腺癌Paclitaxel/Encequidar mesylate腺癌Paclitaxel/Encequidar mesylate血管肉瘤Paclitaxel/Encequidar mesylate实体瘤Paclitaxel/Encequidar mesylate

Source drugs (routes using this intermediate)

DrugTierExpiry
Paclitaxel/Encequidar mesylatePaclitaxel/Encequidar mesylateTier C — Watch / trade-

Position in synthesis routes (up/downstream chain)

Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.

Paclitaxel/Encequidar mesylate优化路线steps: 4total yield: /
1-[(dicyclohexylsulfamoyl)methyl]-7,7-dimethylbicyclo[2.2.1]heptan-2-yl 2-[(tert-butyldimethylsilyl)oxy]acetate→1,1,1-Trimethyl-N-[(E)-phenylmethylidene]silanamine→(3R,4S)-3-[[tert-Butyl(dimethyl)silyl]oxy]-4-phenylazetidin-2-one→(3R,4S)-1-benzoyl-3-[(tert-butyldimethylsilyl)oxy]-4-phenylazetidin-2-one→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-Bis(acetyloxy)-1,15-dihydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate→(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-bis(acetyloxy)-15-{[(2R,3S)-2-[(tert-butyldimethylsilyl)oxy]-3-phenyl-3-(phenylformamido)propanoyl]oxy}-1-hydroxy-10,14,17,17-tetramethyl-11-oxo-9-[(triethylsilyl)oxy]-6-oxatetracyclo[11.3.1.0(3,10).0(4,7)]heptadec-13-en-2-yl benzoate

Intermediates available on this site

No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.

This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.